Home / 2,124,706.40-2,931,374.40-1,297,478.24

Finding the Fourth Proportional to 2,124,706.40, 2,931,374.40 and 1,297,478.24

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Solution

The fourth proportional to 2,124,706.40, 2,931,374.40 and 1,297,478.24 is: 1,790,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,706.40 : 2,931,374.40 = 1,297,478.24 : x
  2. Step 2: Convert to fraction form
    2,124,706.40/2,931,374.40 = 1,297,478.24/x
  3. Step 3: Cross multiply
    2,124,706.40x = 2,931,374.40 × 1,297,478.24
  4. Step 4: Simplify right side
    2,124,706.40x = 3,803,394,497,293.06
  5. Step 5: Solve for x
    x = 3,803,394,497,293.06/2,124,706.40
  6. Step 6: Final answer
    x = 1,790,080.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.